gc: update to 7.6.0.

srcpkgs/gc/template

@@ -1,6 +1,6 @@
 # Template file for 'gc'
 pkgname=gc
-version=7.4.4
+version=7.6.0
 revision=1
 build_style=gnu-configure
 hostmakedepends="automake pkg-config libtool"
@@ -14,7 +14,12 @@ maintainer="Juan RP <xtraeme@voidlinux.eu>"
 homepage="http://www.hboehm.info/gc/"
 license="GPL-2"
 distfiles="http://www.hboehm.info/gc/gc_source/gc-${version}.tar.gz"
-checksum=e5ca9b628b765076b6ab26f882af3a1a29cde786341e08b9f366604f74e4db84
+checksum=a14a28b1129be90e55cd6f71127ffc5594e1091d5d54131528c24cd0c03b7d90
+
+post_extract() {
+	sed -i '1i#include <sys/select.h>' pthread_stop_world.c
+	sed -i '1i#include <time.h>' pthread_stop_world.c
+}
 
 pre_configure() {
 	autoreconf -fi